[joo-vuh-nl, -nahyl] /ˈdʒu və nl, -ˌnaɪl/
of, pertaining to, characteristic of, or suitable or intended for young persons:
immature; childish; infantile:
His juvenile tantrums are not in keeping with his age.
a young person; youth.
a book for children.
Ornithology. a young bird in the stage when it has fledged, if altricial, or has replaced down of hatching, if precocial.
a two-year-old racehorse.
young, youthful, or immature
suitable or designed for young people: juvenile pastimes
(of animals or plants) not yet fully mature
of or denoting young birds that have developed their first plumage of adult feathers
(geology) occurring at the earth’s surface for the first time; new: juvenile water, juvenile gases
a juvenile person, animal, or plant
an actor who performs youthful roles
a book intended for young readers
1620s, from Latin iuvenilis “of or belonging to youth,” from iuvenis “young person,” originally “young” (cf. French jeune; see young). Juvenile delinquency first recorded 1816; Juvenile delinquent the following year.
[joo-vuh-nes-uh nt] /ˌdʒu vəˈnɛs ənt/ adjective 1. being or becoming youthful; young. 2. young in appearance. 3. having the power to make young or youthful: a juvenescent elixir. /ˌdʒuːvɪˈnɛsənt/ adjective 1. becoming or being young or youthful adj. 1821, from Latin iuvenescentem (nominative iuvenescens), present participle of iuvenescere “to grow into youth,” from iuvenis “young” […]
- Juvenile arthritis
juvenile arthritis ju·ve·nile arthritis (jōō’və-nīl’, -nəl) n. Chronic arthritis that begins in childhood and is marke by swelling, tenderness, and pain in one or more joints and by lymph node and splenic enlargement. Also called juvenile rheumatoid arthritis, Still’s disease.
- Juvenile cataract
juvenile cataract n. A mature cataract with a poorly developed nucleus in a child or young adult.
- Juvenile cell
juvenile cell n. See metamyelocyte.